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-rw-r--r--ChangeLog5
-rw-r--r--NEWS4
-rw-r--r--ext/openssl/lib/openssl/bn.rb2
-rw-r--r--ext/openssl/ossl_bn.c39
-rw-r--r--test/openssl/test_bn.rb35
5 files changed, 79 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog
index 465c881a4b..a4a3e97bd6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Apr 25 14:35:01 2013 NARUSE, Yui <naruse@ruby-lang.org>
+
+ * ext/openssl/ossl_bn.c (ossl_bn_initialize): allow Fixnum and Bignum.
+ [ruby-core:53986] [Feature #8217]
+
Thu Apr 25 14:26:32 2013 NARUSE, Yui <naruse@ruby-lang.org>
* lib/uri/common.rb (URI.decode_www_form): follow current URL Standard.
diff --git a/NEWS b/NEWS
index 6cb4822178..86d9cef97f 100644
--- a/NEWS
+++ b/NEWS
@@ -57,6 +57,10 @@ with all sufficient information, see the ChangeLog file.
* Pathname#write
* Pathname#binwrite
+* OpenSSL::BN
+ * extended methods:
+ * OpenSSL::BN.new allows Fixnum/Bignum argument.
+
* open-uri
* Support multiple fields with same field name (like Set-Cookie).
diff --git a/ext/openssl/lib/openssl/bn.rb b/ext/openssl/lib/openssl/bn.rb
index 180de18db1..db722438e4 100644
--- a/ext/openssl/lib/openssl/bn.rb
+++ b/ext/openssl/lib/openssl/bn.rb
@@ -29,7 +29,7 @@ end # OpenSSL
#
class Integer
def to_bn
- OpenSSL::BN::new(self.to_s(16), 16)
+ OpenSSL::BN::new(self)
end
end # Integer
diff --git a/ext/openssl/ossl_bn.c b/ext/openssl/ossl_bn.c
index 1038135ae8..f04daec568 100644
--- a/ext/openssl/ossl_bn.c
+++ b/ext/openssl/ossl_bn.c
@@ -106,6 +106,7 @@ ossl_bn_alloc(VALUE klass)
* call-seq:
* BN.new => aBN
* BN.new(bn) => aBN
+ * BN.new(integer) => aBN
* BN.new(string) => aBN
* BN.new(string, 0 | 2 | 10 | 16) => aBN
*/
@@ -120,6 +121,44 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
base = NUM2INT(bs);
}
+ if (RB_TYPE_P(str, T_FIXNUM)) {
+ long i;
+ unsigned char *bin = (unsigned char*)ALLOC_N(long, 1);
+ long n = FIX2LONG(str);
+ unsigned long un = abs(n);
+
+ for (i = sizeof(VALUE) - 1; 0 <= i; i--) {
+ bin[i] = un&0xff;
+ un >>= 8;
+ }
+
+ GetBN(self, bn);
+ if (!BN_bin2bn(bin, sizeof(long), bn)) {
+ ossl_raise(eBNError, NULL);
+ }
+ if (n < 0) BN_set_negative(bn, 1);
+ return self;
+ }
+ else if (RB_TYPE_P(str, T_BIGNUM)) {
+ long i, j;
+ BDIGIT *ds = RBIGNUM_DIGITS(str);
+ unsigned char *bin = (unsigned char*)ALLOC_N(BDIGIT, RBIGNUM_LEN(str));
+
+ for (i = 0; RBIGNUM_LEN(str) > i; i++) {
+ BDIGIT v = ds[i];
+ for (j = sizeof(BDIGIT) - 1; 0 <= j; j--) {
+ bin[(RBIGNUM_LEN(str)-1-i)*sizeof(BDIGIT)+j] = v&0xff;
+ v >>= 8;
+ }
+ }
+
+ GetBN(self, bn);
+ if (!BN_bin2bn(bin, sizeof(BDIGIT)*RBIGNUM_LEN(str), bn)) {
+ ossl_raise(eBNError, NULL);
+ }
+ if (!RBIGNUM_SIGN(str)) BN_set_negative(bn, 1);
+ return self;
+ }
if (RTEST(rb_obj_is_kind_of(str, cBN))) {
BIGNUM *other;
diff --git a/test/openssl/test_bn.rb b/test/openssl/test_bn.rb
index af1c72c8e9..27bbcdfeaf 100644
--- a/test/openssl/test_bn.rb
+++ b/test/openssl/test_bn.rb
@@ -3,13 +3,38 @@ require_relative 'utils'
if defined?(OpenSSL)
class OpenSSL::TestBN < Test::Unit::TestCase
- def test_bn_to_bn
- assert_equal(999.to_bn, OpenSSL::BN.new(999.to_bn))
+ def test_new_str
+ e1 = OpenSSL::BN.new(999.to_s(16), 16) # OpenSSL::BN.new(str, 16) must be most stable
+ e2 = OpenSSL::BN.new((2**107-1).to_s(16), 16)
+ assert_equal(e1, OpenSSL::BN.new("999"))
+ assert_equal(e2, OpenSSL::BN.new((2**107-1).to_s))
+ assert_equal(e1, OpenSSL::BN.new("999", 10))
+ assert_equal(e2, OpenSSL::BN.new((2**107-1).to_s, 10))
+ assert_equal(e1, OpenSSL::BN.new("\x03\xE7", 2))
+ assert_equal(e2, OpenSSL::BN.new("\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 2))
+ assert_equal(e1, OpenSSL::BN.new("\x00\x00\x00\x02\x03\xE7", 0))
+ assert_equal(e2, OpenSSL::BN.new("\x00\x00\x00\x0E\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 0))
end
- def test_integer_to_bn
- assert_equal(999.to_bn, OpenSSL::BN.new(999.to_s(16), 16))
- assert_equal((2 ** 107 - 1).to_bn, OpenSSL::BN.new((2 ** 107 - 1).to_s(16), 16))
+ def test_new_bn
+ e1 = OpenSSL::BN.new(999.to_s(16), 16)
+ e2 = OpenSSL::BN.new((2**107-1).to_s(16), 16)
+ assert_equal(e1, OpenSSL::BN.new(e1))
+ assert_equal(e2, OpenSSL::BN.new(e2))
+ end
+
+ def test_new_integer
+ assert_equal(999.to_bn, OpenSSL::BN.new(999))
+ assert_equal((2 ** 107 - 1).to_bn, OpenSSL::BN.new(2 ** 107 - 1))
+ assert_equal(-999.to_bn, OpenSSL::BN.new(-999))
+ assert_equal((-(2 ** 107 - 1)).to_bn, OpenSSL::BN.new(-(2 ** 107 - 1)))
+ end
+
+ def test_to_bn
+ e1 = OpenSSL::BN.new(999.to_s(16), 16)
+ e2 = OpenSSL::BN.new((2**107-1).to_s(16), 16)
+ assert_equal(e1, 999.to_bn)
+ assert_equal(e2, (2**107-1).to_bn)
end
def test_prime_p